package day28;

import java.util.Scanner;

/**
 * @author tongchen
 * @create 2023-04-03 23:18
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        while (scanner.hasNextLong()){
            long n=scanner.nextLong();
            long r=scanner.nextLong();
            boolean flag = isFlag(n, r);
            if(flag==true){
                System.out.println("YES");
            }else{
                System.out.println("NO");
            }
        }

    }
    public static boolean isFlag(long n,long r){
        float p=3.14f*2;
        double res=n/p;
        if(res<=r){
            return true;
        }else{
            return false;
        }

    }
}
